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INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring standards
by authorized personnel only.
Please retain this installation manual for future reference after reading it thoroughly.
Multi V Fresh Air Intake Unit
Original instruction
ARNU48GBRZ4 ARNU76GB8Z4 ARNU96GB8Z4
P/NO : MFL69440019
Rev. 00_032818
Copyright © 2018 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Summary of Contents for LG ARNU48GBRZ4
- Page 1 Please retain this installation manual for future reference after reading it thoroughly. Multi V Fresh Air Intake Unit Original instruction ARNU48GBRZ4 ARNU76GB8Z4 ARNU96GB8Z4 www.lg.com P/NO : MFL69440019 Copyright © 2018 LG Electronics Inc. All Rights Reserved. Rev. 00_032818...
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Page 2: Table Of Contents
Table of Contents TABLE OF CONTENTS Features Safety Precautions Installation Installation Limit Selection of the best location Ceiling dimension and hanging bolt location Indoor Unit Installation Wiring Connection Checking the Drainage Indoor Unit Drain Piping DIP Switch Setting Group Control Setting Model Designation Airborne Noise Emission Limiting concentration... -
Page 3: Features
Features Features Air outlet vents Air filters Air intake vents Wired Remote Controller (Optional) Installation Tool Washer for Clamp Insulation for Name Drain hose Clamp metal (Other) hanging bracket (Tie Wrap) fitting Quantity 1 EA 2 EA 8 EA 4 EA 1 SET •... -
Page 4: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury. - Page 5 Safety Precautions Operation • Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open. - Moisture may condense and wet or damage furniture. • Take care to ensure that power cable could not be pulled out or damaged during operation. - There is risk of fire or electric shock.
- Page 6 Safety Precautions CAUTION Installation • Always check for gas (refrigerant) leakage after installation or repair of product. - Low refrigerant levels may cause failure of product. • Install the drain hose to ensure that water is drained away properly. - A bad connection may cause water leakage. •...
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Page 7: Installation
Installation Installation Installation Limit Read completely, then follow step by step. 1. Fresh Air Intake Unit Combination Connection Condition Combination 1) The total capacity of Fresh Air Intake Unit should be 50~100% of outdoor unit. Only Fresh Air Intake Unit installation 2) The max quantity of Fresh Air Intake unit is 2 Units. - Page 8 48 kBtu/h 48 kBtu/h 48 kBtu/h 48 kBtu/h ZONE 1 ZONE 2 ZONE 1 ZONE 2 5. Cycle check and SVC For Fresh Intake Unit cycle check and SVC, LG MV 5.8 or later version should be used. Indoor Unit...
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Page 9: Selection Of The Best Location
Installation Selection of the best location Install the air conditioner in the location that satisfies the following conditions. • The place shall easily bear a load exceeding four times the indoor unit’s weight. • The place shall be able to inspect the unit as the figure. •... -
Page 10: Ceiling Dimension And Hanging Bolt Location
Installation Ceiling dimension and hanging bolt location n Installation of Unit BR Chassis Install the unit above the ceiling correctly. POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. • Install the unit leaning to a drainage hole side as a figure for easy water drainage. -
Page 11: Indoor Unit Installation
Installation Indoor Unit Installation • Select and mark the position for fixing bolts. • Insert the set anchor and washer onto the • Drill the hole for set anchor on the face of suspension bolts for locking the suspension ceiling. bolts on the ceiling. -
Page 12: Checking The Drainage
Installation INSULATION, OTHERS Insulate the joint and tubes completely. All thermal insulation must comply with local requirement. THERMAL INSULATION INDOOR UNIT Union for liquid pipe Thermal insulator for refrigerant pipe (Local supply) Thermal insulator for Refrigerant pipe and thermal piping(Local supply) insulator(Local supply) Hose crip for thermal insulator (Local supply) -
Page 13: Indoor Unit Drain Piping
Installation CAUTION 1. Install declination of the indoor unit is very important for the drain of the duct type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe shall be 5mm. Front of view • The unit must be horizontal or declined to the drain hose connected when finished installation. Ceiling Drain Pump Drain Pump... - Page 14 Installation CAUTION: After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control box cover.
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Page 15: Dip Switch Setting
Installation DIP Switch Setting 1. Indoor Unit Function Description Setting Off Setting On Default Communication N/A (Default) Cycle N/A (Default) Selection of Master or Group Control Master Slave Slave Wired/Wireless remote Dry Contact Selection of Dry controller selection of Auto Mode Contact Mode Manual or Auto... -
Page 16: Group Control Setting
Installation Group Control Setting 1. Group Control 1 n Wired remote controller 1 + Standard Indoor Units LGAP Network System Signal Master Slave Slave Slave 12 V Only connect serial signal and GND lines Display Error Message between indoor units. Master °C / °F (5 s) °C / °F (5 s) - Page 17 Installation h It is possible to connect indoor units since Feb. 2009. h It can be the cause of malfuctions when there is no setting of master and slave. h In case of Group Control, it is possible to use following functions. - Selection of operation, stop or mode - Temperature setting and room temperature check - Current time change...
- Page 18 Installation 3. Group Control 3 n Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System Master Signal Slave Master Slave Master 12 V Display Error Message Display Error Message Master Master °C / °F (5 s) °C / °F (5 s) TIME (3 s) TIME (3 s)
- Page 19 Installation 4. 2 Remote Control n Wired remote controller 2 + Indoor unit 1 LGAP Network System Slave Slave Signal Slave Master 12 V Display Error Message °C / °F (5 s) °C / °F (5 s) TIME (3 s) TIME (3 s) Master Slave...
- Page 20 Installation 5. Accessories for group control setting It is possible to set group control by using below accessories. Indoor unit 2 EA +Wired remote controller 1 EA Indoor unit 1 EA +Wired remote controller 2 EA h PZCWRCG3 cable used for connection h PZCWRC2 cable used for connection Slave Master...
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Page 21: Model Designation
Installation Model Designation Serial Number Combinations of functions A:Basic function L: Neo Plasma(Wall Mounted) C: Plasma(Ceiling Cassette) G: Low Static K: High Sensible Heat U: Floor Standing without Case SE/S8 - R: Mirror V: Silver B:Blue(ART COOL Type Panel Clolr) - E: Red V: Silver G:Gold 1: Kiss (Photo changeable) -
Page 22: How To Set E.s.p
How to Set E.S.P? How to Set E.S.P? 1. Outlet Air Temperature ARNU48GBRZ4 Cooling 59°FWB 63°FWB 69°FWB 73°FWB 79°FWB 82°FWB 86°FWB 90°FWB 95°FWB Outdoor air tempreture 15°CWB 17°CWB 20°CWB 23°CWB 26°CWB 28°CWB 30°CWB 32.0 35°CWB °FDB °CDB 10.4 12.9 12.5 14.2... - Page 23 How to Set E.S.P? Cooling 59°FWB 63°FWB 69°FWB 73°FWB 79°FWB 82°FWB 86°FWB 90°FWB 95°FWB Outdoor air tempreture 15°CWB 17°CWB 20°CWB 23°CWB 26°CWB 28°CWB 30°CWB 32.0 35°CWB °FDB °CDB 11.9 11.4 11.1 14.8 10.8 14.4 18.2 10.7 14.1 17.9 20.7 13.7 17.6 20.3 22.2...
- Page 24 How to Set E.S.P? ARNU96GB8Z4 Cooling 59°FWB 63°FWB 69°FWB 73°FWB 79°FWB 82°FWB 86°FWB 90°FWB 95°FWB Outdoor air tempreture 15°CWB 17°CWB 20°CWB 23°CWB 26°CWB 28°CWB 30°CWB 32.0 35°CWB °FDB °CDB 11.1 10.3 16.0 10.6 15.3 10.6 10.5 14.8 10.0 20.5 14.3 11.2 19.7 10.3...
- Page 25 How to Set E.S.P? 2. Air flow rate ARNU48GBRZ4 ESP (mmAq) Setting Value 15.8 18.7 22.2 19.9 13.6 24.2 23.4 17.8 25.2 24.1 19.6 26.8 25.5 21.9 15.9 28.1 22.8 18.2 10.6 19.8 13.8 30.3 28.5 22.5 15.8 29.8 26.5 22.8...
- Page 26 Indoor Unit...
- Page 27 PT.LG Electronics Indonesia Gandaria 8 Office Tower Lt. 29 BC & 31 ABCD Jl.Sultan Iskandar Muda, Kebayoran Lama Utara - Kebayoran Lama, Jakarta Selatan - DKI Jakarta Raya, Indonesia...